The Consilient

The Consilient advises leaders, family offices, and institutions operating in high-stakes conflict - where decisions carry human, financial, and reputational consequence.
We work across boardrooms, family offices, college campuses, and conflict-affected environments, helping clients navigate disputes, negotiations, and risk through disciplined dialogue, discretion, and strategic clarity. Our work combines deep experience in mediation, negotiation, and conflict prevention with real-time situational analysis and trusted global expertise. We are engaged when the cost of escalation is high, visibility must remain low, and outcomes need to hold.

The single biggest problem in communication is the illusion that it has taken place.”

— George Bernard Shaw

Our Services

We help leaders, family offices, and institutions address conflict and uncertainty, strengthening alignment, leadership, and decision-making in complex environments.


Our work is discreet, grounded, and practical.

  • Ongoing counsel to leaders and institutions navigating complex decisions, leadership tension, and periods of transition.

  • Discreet advisory support to family principals, next-generation leaders, and trusted executives addressing governance, succession, internal alignment, and conflict within family enterprises.

  • Structured, private intervention to resolve disputes, reset working relationships, and restore functional alignment when conflict has stalled decision-making.

  • Advising and training university leadership and faculty—working, where appropriate, with student representatives—to manage internal tension, facilitate difficult conversations, and prevent escalation during periods of institutional pressure.

  • Strategic advice for organizations operating in politically complex, fragile, or contested environments.

The Approach

Clarity Under Pressure

In moments of uncertainty or threat, we help our clients think clearly, act deliberately, and avoid missteps that can carry lasting consequences.

Insight, Not Abstraction

We draw on frontline experience, regional knowledge, and a global network - not theory. Our assessments are shaped by lived complexity, not academic models.

Privacy is Foundational

We operate quietly, behind the scenes. Our work often unfolds in sensitive contexts where trust, experience, and discretion matter more than visibility.

Every engagement is guided by The Consilient Method™ - a structured framework developed to surface root tensions and support durable outcomes.

Meet the Founder & Principal

Tom Gregg is a conflict resolution specialist with more than two decades of frontline experience in mediation, negotiation, and strategic advisory roles. He has served as a mediator, hostage and access negotiator, and led sensitive negotiations and high-level facilitation on behalf of the U.S. Government, the United Nations, the Gates Foundation, and the Government of Norway.

He previously served as a Senior Advisor to the United Nations Humanitarian Mediation Unit, working on complex conflict and access challenges. His work has frequently involved discreet engagement with armed groups, political actors, and institutional leaders during periods of crisis, transition, or acute pressure.

  • Tom currently serves as Senior Advisor to Kesler Topaz Meltzer & Check; on the panel at Phillips ADR, the leading mediation and arbitration group in the U.S.; as a Counsellor to Dragoman Global, a political risk firm; and as a member of the President’s Leadership Council at Search for Common Ground, the world’s largest peacebuilding NGO.

  • At The Consilient, Tom brings operational clarity and principled calm to high-trust environments where discretion is non-negotiable and stakes are deeply personal.

  • He lives in Laguna Beach with his wife and five children. Lifelong surfer and fly-fisher. Occasional poet.

You’re in Good Company

The Consilient is guided by an extraordinary Global Advisory Board

Hon. Layn R. Phillips

CEO Phillips ADR (PADRE), U.S. Attorney and former U.S. District Judge.

Mr. Martin Griffiths

Former Under Secretary General of the United Nations. Founder and Executive Director of Mediation Group International

Mr. Nick Warner AO

Former Director General of the Australian Secret Intelligence Service and the Office of National Intelligence.

Mr. Sam McKay

Founder and Partner of Point King Capital

Ms. Jahan Shahryar

Founder & Attorney

Mr. Shamil Idriss

CEO at Search for Common Ground

Experience You Can Trust

Prior to founding The Consilient, our work supported and advised global institutions on conflict, negotiation, and access—often in the most complex conflict environments in the world.

Let’s begin with a quiet conversation.

We respond personally to serious inquiries. All communication is strictly confidential.